value unc_up unc_lo author ref method 0.045 0.0074 0.0074 Masiero 2011ApJ...741...68M NEATM 0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM 0.130 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM